ecosystem timeline By jillianzahumensky Feb 12, 2013 Lichens begin to grow. Feb 12, 2013 taller shrubs begin to grow Feb 12, 2013 Mosses and ferns begin to grow. Feb 12, 2013 grasses begin to grow Feb 12, 2013 followed by short statured species of shrubs Feb 12, 2013 succeded a harwood forest Feb 12, 2013 fire Feb 12, 2013 secondary succession occurs. Feb 12, 2013 replaceed by a conifer forest Feb 12, 2013 differences between natural and cultural euthrophications Cultural eutrophication: Speedy eutrophication caused by human activity. Natural eutrophication: The natural addition of excessive nutritional substances in a lake or body of water.
